Weather History for Portland, ME

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Friday, April 12, 2013

  Actual Average Record
Temperature  
Mean Temperature 37 °F 43 °F  
Max Temperature 40 °F 52 °F 80 °F (1945)
Min Temperature 34 °F 34 °F 17 °F (1976)
Degree Days  
Heating Degree Days 28 22  
Month to date heating degree days 282 290  
Since 1 July heating degree days 5809 6308  
Cooling Degree Days 0 0  
Month to date cooling degree days 0 0  
Year to date cooling degree days 0 0  
Moisture  
Dew Point 27 °F    
Average Humidity 65    
Maximum Humidity 92    
Minimum Humidity 37    
Precipitation  
Precipitation 0.38 in 0.15 in 1.48 in (1993)
Month to date precipitation 1.71 1.77  
Year to date precipitation 10.83 12.64  
Snow  
Snow 0.20 in 0.10 in 6.70 in (1894)
Month to date snowfall 0.2 1.8  
Since 1 July snowfall 98.0 60.9  
Snow Depth T in    
Sea Level Pressure  
Sea Level Pressure 30.10 in    
Wind  
Wind Speed 13 mph (East)    
Max Wind Speed 21 mph    
Max Gust Speed 27 mph    
Visibility 6 miles    
Events Rain , Snow    
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Astronomy

Apr. 12, 2013 Rise Set
Actual Time 6:03 AM EDT 7:21 PM EDT
Civil Twilight 5:33 AM EDT 7:51 PM EDT
Nautical Twilight 4:57 AM EDT 8:26 PM EDT
Astronomical Twilight 4:20 AM EDT 9:04 PM EDT
Moon 7:06 AM EDT (4/12) 9:53 PM EDT (4/12)
Length of Visible Light 14h 17m
Length of Day
13h 18m
Waxing Crescent, 5% of the Moon is Illuminated
Apr 12
Waxing Crescent
Apr 18
First Quarter
Apr 25
Full
May 2
Last Quarter
May 9
New

Hourly Weather History & Observations

Time (EDT) Temp. Windchill Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:51 AM 39.9 °F 32.1 °F 16.0 °F 38% 30.21 in 10.0 mi NNE 13.8 mph - N/A   Overcast
1:51 AM 39.0 °F 30.6 °F 15.1 °F 38% 30.21 in 10.0 mi NNE 15.0 mph - N/A   Overcast
2:51 AM 37.9 °F 30.0 °F 16.0 °F 41% 30.21 in 10.0 mi NE 12.7 mph - N/A   Overcast
3:51 AM 37.0 °F 29.8 °F 17.1 °F 44% 30.23 in 10.0 mi NE 10.4 mph - N/A   Overcast
4:51 AM 37.0 °F 29.3 °F 16.0 °F 42% 30.24 in 10.0 mi NE 11.5 mph - 0.00 in   Ice Pellets
5:23 AM 36.0 °F 27.5 °F 17.1 °F 46% 30.25 in 7.0 mi NE 12.7 mph - 0.00 in   Small Hail
5:51 AM 35.1 °F 25.5 °F 18.0 °F 50% 30.25 in 7.0 mi NE 15.0 mph - 0.02 in   Small Hail
6:37 AM 35.1 °F 26.9 °F 19.0 °F 52% 30.25 in 10.0 mi NE 11.5 mph - 0.00 in   Small Hail
6:51 AM 35.1 °F 26.9 °F 18.0 °F 50% 30.26 in 10.0 mi ENE 11.5 mph - 0.00 in Rain Light Rain
7:51 AM 34.0 °F 26.6 °F 21.9 °F 61% 30.25 in 10.0 mi ENE 9.2 mph - 0.00 in Rain Light Rain
8:51 AM 35.1 °F 25.9 °F 21.0 °F 57% 30.22 in 10.0 mi ENE 13.8 mph - 0.00 in   Overcast
9:51 AM 36.0 °F 29.0 °F 21.9 °F 57% 30.20 in 10.0 mi East 9.2 mph - N/A   Overcast
10:51 AM 36.0 °F 28.0 °F 24.1 °F 62% 30.19 in 10.0 mi East 11.5 mph - N/A   Overcast
11:51 AM 36.0 °F 26.3 °F 26.1 °F 67% 30.14 in 10.0 mi East 16.1 mph - N/A   Overcast
12:41 PM 36.0 °F 26.7 °F 28.9 °F 76% 30.12 in 7.0 mi East 15.0 mph - 0.00 in Rain Light Ice Pellets
12:51 PM 36.0 °F 26.3 °F 28.9 °F 76% 30.14 in 7.0 mi East 16.1 mph - 0.00 in Rain Light Ice Pellets
1:22 PM 36.0 °F 26.7 °F 28.9 °F 76% 30.12 in 4.0 mi East 15.0 mph - 0.03 in Rain Ice Pellets
1:51 PM 35.1 °F 25.9 °F 30.0 °F 82% 30.11 in 3.0 mi East 13.8 mph - 0.08 in Rain Ice Pellets
1:56 PM 35.1 °F 25.9 °F 30.9 °F 85% 30.11 in 2.5 mi East 13.8 mph 19.6 mph 0.01 in Rain Ice Pellets
2:51 PM 34.0 °F 23.0 °F 30.9 °F 89% 30.05 in 2.0 mi ESE 18.4 mph - 0.11 in Rain Ice Pellets
2:57 PM 34.0 °F 23.8 °F 30.9 °F 89% 30.05 in 2.5 mi ESE 16.1 mph 23.0 mph 0.01 in Rain Ice Pellets
3:01 PM 34.0 °F 25.0 °F 30.0 °F 85% 30.06 in 3.0 mi ESE 12.7 mph 23.0 mph 0.02 in Rain Ice Pellets
3:19 PM 34.0 °F 23.4 °F 30.0 °F 85% 30.08 in 3.0 mi SE 17.3 mph 26.5 mph 0.03 in Rain Ice Pellets
3:27 PM 34.0 °F 24.6 °F 30.0 °F 85% 30.07 in 4.0 mi ESE 13.8 mph 24.2 mph 0.04 in Rain Ice Pellets
3:51 PM 35.1 °F 25.2 °F 30.0 °F 82% 30.06 in 5.0 mi ESE 16.1 mph - 0.06 in Rain Ice Pellets
4:30 PM 35.1 °F 25.9 °F 30.0 °F 82% 30.04 in 10.0 mi East 13.8 mph 24.2 mph 0.00 in   Overcast
4:51 PM 35.1 °F 25.9 °F 30.9 °F 85% 30.04 in 3.0 mi East 13.8 mph 21.9 mph 0.00 in Snow Light Snow
5:04 PM 34.0 °F 24.2 °F 30.9 °F 89% 30.03 in 2.5 mi East 15.0 mph - 0.00 in Snow Light Snow
5:15 PM 34.0 °F 24.2 °F 32.0 °F 92% 30.02 in 2.5 mi East 15.0 mph - 0.01 in Snow Light Snow
5:24 PM 34.0 °F 23.0 °F 32.0 °F 92% 30.03 in 1.8 mi East 18.4 mph - 0.01 in   Overcast
5:38 PM 35.1 °F 26.9 °F 32.0 °F 89% 30.03 in 2.5 mi East 11.5 mph - 0.01 in   Overcast
5:41 PM 35.1 °F 25.2 °F 32.0 °F 89% 30.03 in 2.5 mi East 16.1 mph - 0.01 in Snow Light Snow
5:51 PM 35.1 °F 24.8 °F 32.0 °F 89% 30.02 in 2.5 mi East 17.3 mph 23.0 mph 0.01 in   Overcast
6:24 PM 35.1 °F 25.2 °F 32.0 °F 89% 30.01 in 2.5 mi East 16.1 mph - 0.00 in Rain Light Rain
6:31 PM 35.1 °F 25.2 °F 32.0 °F 89% 30.01 in 2.5 mi East 16.1 mph - 0.00 in Rain Light Rain
6:51 PM 35.1 °F 25.9 °F 32.0 °F 89% 30.01 in 2.5 mi East 13.8 mph - 0.00 in   Overcast
7:51 PM 35.1 °F 25.9 °F 33.1 °F 92% 29.96 in 2.5 mi East 13.8 mph 23.0 mph 0.01 in Rain Light Rain
8:51 PM 36.0 °F 26.7 °F 34.0 °F 93% 29.95 in 2.5 mi ENE 15.0 mph - 0.01 in   Overcast
8:53 PM 36.0 °F 27.1 °F 34.0 °F 93% 29.94 in 2.5 mi ENE 13.8 mph - 0.00 in Rain Light Rain
9:51 PM 36.0 °F 26.7 °F 34.0 °F 93% 29.94 in 2.5 mi East 15.0 mph 25.3 mph 0.01 in Rain Light Rain
10:51 PM 36.0 °F 26.0 °F 34.0 °F 93% 29.91 in 2.5 mi ENE 17.3 mph - 0.01 in Rain Light Rain
11:51 PM 35.1 °F 28.6 °F 34.0 °F 96% 29.90 in 2.5 mi North 8.1 mph 16.1 mph 0.03 in Rain Light Rain